Hydrogen desorption mechanism in a Li-N-H system by means of the isotopic exchange technique.

Hydrogen desorption mechanism in a Li-N-H system by means of the isotopic exchange technique. Research Abstract Details 

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Hydrogen desorption mechanism in a Li-N-H system by means of the isotopic exchange technique. Abstract Text:

Shigehito Isobe,Takayuki Ichikawa,Satoshi Hino,Hironobu Fujii,

The hydrogen desorption mechanism in the reaction from LiH + LiNH2 to Li2NH + H2 was examined by thermal desorption mass spectrometry, thermogravimetric analysis, and Fourier transform IR analyses for the products replaced by LiD or LiND2 for LiH or LiNH2, respectively. The results obtained indicate that the hydrogen desorption reaction proceeds through the following two-step elementary reactions mediated by ammonia: 2LiNH2 --> Li2NH + NH3 and LiH + NH3 --> LiNH2 + H2, where hydrogen molecules are randomly formed from four equivalent hydrogen atoms in a hypothetical LiNH4 produced by the reaction between LiH and NH3 according to the laws of probability.

Hydrogen desorption mechanism in a Li-N-H system by means of the isotopic exchange technique. Publishing Authors By Initials

S Isobe,T Ichikawa,S Hino,H Fujii,

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Hydrogen desorption mechanism in a Li-N-H system by means of the isotopic exchange technique. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: The journal of physical chemistry. B

VOLUME: 109

Page Numbers: 14855-8

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ISSN: 1520-6106

DAY: 11

MONTH: Aug

YEAR: 2005

Hydrogen desorption mechanism in a Li-N-H system by means of the isotopic exchange technique. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Hydrogen desorption mechanism in a Li-N-H system by means of the isotopic exchange technique.

AFFILIATION: Department of Quantum Matter, ADSM, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739-8530, Japan.

Country: United States

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MEDLINETA: J Phys Chem B

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